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<head><meta charset="utf-8"><title>I-prioritize #73609 Miscompilation with mir-opt-level=2 · t-compiler/wg-prioritization · Zulip Chat Archive</title></head>
<h2>Stream: <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/index.html">t-compiler/wg-prioritization</a></h2>
<h3>Topic: <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2373609.20Miscompilation.20with.20mir-opt-level.3D2.html">I-prioritize #73609 Miscompilation with mir-opt-level=2</a></h3>

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<a name="201586205"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2373609%20Miscompilation%20with%20mir-opt-level%3D2/near/201586205" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> triagebot <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2373609.20Miscompilation.20with.20mir-opt-level.3D2.html#201586205">(Jun 22 2020 at 09:47)</a>:</h4>
<p><span class="user-group-mention" data-user-group-id="2403">@WG-prioritization</span> issue <a href="https://github.com/rust-lang/rust/issues/73609">#73609</a> has been requested for prioritization.</p>



<a name="201587527"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2373609%20Miscompilation%20with%20mir-opt-level%3D2/near/201587527" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jonas Schievink  [he/him] <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2373609.20Miscompilation.20with.20mir-opt-level.3D2.html#201587527">(Jun 22 2020 at 10:00)</a>:</h4>
<p><code>P-critical</code> I'd say, it's very easy to trigger</p>



<a name="201587829"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2373609%20Miscompilation%20with%20mir-opt-level%3D2/near/201587829" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lcnr <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2373609.20Miscompilation.20with.20mir-opt-level.3D2.html#201587829">(Jun 22 2020 at 10:04)</a>:</h4>
<p>Yeah, looking at how easy this is to trigger: <a href="https://play.rust-lang.org/?version=nightly&amp;mode=debug&amp;edition=2018&amp;gist=c0280802f1232618768279be59b393c3">https://play.rust-lang.org/?version=nightly&amp;mode=debug&amp;edition=2018&amp;gist=c0280802f1232618768279be59b393c3</a></p>



<a name="201588509"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2373609%20Miscompilation%20with%20mir-opt-level%3D2/near/201588509" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Léo Lanteri Thauvin <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2373609.20Miscompilation.20with.20mir-opt-level.3D2.html#201588509">(Jun 22 2020 at 10:12)</a>:</h4>
<p>That seems really scary. +1 for <code>P-critical</code></p>



<hr><p>Last updated: Aug 07 2021 at 22:04 UTC</p>
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